ASoC: topology: handle endianness warning

Sparse reports the following warning:

sound/soc/soc-topology.c:1488:26: error: restricted __le32 degrades to
integer

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211025185933.144327-2-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>